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Home  Product Range Air Conditioning Commerical Air Conditioning 3-Way ECO-i Multi |
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| The operation efficiency has been improved by using the highly efficient new refrigerant R410A and a DC inverter compressor as well as a new DC fan motor, improvement of the air speed distribution by changing the design of the heat exchanger from 3-direction suction to 4-direction suction, and by using a low-loss wire guard for the fan guard. |
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The total operation time of the compressors is monitored by a microcomputer, so that there is no unbalance for the operation times of all compressors in the same refrigerant system, and compressors with a shorter operation time are operated with preference.
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The five DC inverter types from 8 HP to 16 HP have been unified to the same external dimensions by using a two-room construction with the compressor and other structural parts at the lower room of the outdoor unit and the heat exchanger at the upper room of the outdoor unit. In this way, the smallest installation space in the industry and low operating sound have been realized.
Cooling operation range:- The cooling operation range has been extended from -5°C to -10°C by changing the outdoor fan to an inverter type.
Heating operation range:- Stable heating operation even with an outside air temperature of -20°C
- The heating operation range has been extended from -15°C to -20°C by use of a compressor with a high-pressure vessel.
The 3-way ECO-i MULTI series has a built-in demand function which uses the inverter characteristics. With this demand function, the power consumption can be set in three steps*2, and operation at optimum performance is performed according to the setting and the power consumption. This function is useful to reduce the annual power consumption and to save electricity fees while maintaining comfort.
(*1) An outdoor Seri-Para I/O unit is required for demand input.
(*2)Setting is possible as 0% or in the range from 40 to 100% (in steps of 5%). At the time of shipping, setting has been done to the three steps of 0%, 70%, and 100%.
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